Home / 75,375.82-104,019.90-41,387.44

Finding the Fourth Proportional to 75,375.82, 104,019.90 and 41,387.44

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Solution

The fourth proportional to 75,375.82, 104,019.90 and 41,387.44 is: 57,115.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,375.82 : 104,019.90 = 41,387.44 : x
  2. Step 2: Convert to fraction form
    75,375.82/104,019.90 = 41,387.44/x
  3. Step 3: Cross multiply
    75,375.82x = 104,019.90 × 41,387.44
  4. Step 4: Simplify right side
    75,375.82x = 4,305,117,370.06
  5. Step 5: Solve for x
    x = 4,305,117,370.06/75,375.82
  6. Step 6: Final answer
    x = 57,115.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.